Adding number of routing shards to index settings before passing into…

… GetSettingsResponse Signed-off-by: Sophia <[email protected]>
opensearch-project · Jun 19, 2024 · 6e32fb5 · 6e32fb5
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -31,6 +31,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 ### Fixed
 - Fix handling of Short and Byte data types in ScriptProcessor ingest pipeline ([#14379](https://github.com/opensearch-project/OpenSearch/issues/14379))
 - Switch to iterative version of WKT format parser ([#14086](https://github.com/opensearch-project/OpenSearch/pull/14086))
+- Updated GET {index}/_settings to return `number_of_routing_shards` ([#14446](https://github.com/opensearch-project/OpenSearch/pull/14446))
 
 ### Security
 

diff --git a/...ain/java/org/opensearch/action/admin/indices/settings/get/TransportGetSettingsAction.java b/...ain/java/org/opensearch/action/admin/indices/settings/get/TransportGetSettingsAction.java
@@ -130,6 +130,11 @@ protected void clusterManagerOperation(GetSettingsRequest request, ClusterState
                 indexSettings = indexSettings.filter(k -> Regex.simpleMatch(request.names(), k));
             }
 
+            indexSettings = Settings.builder()
+                .put(indexSettings)
+                .put(IndexMetadata.INDEX_NUMBER_OF_ROUTING_SHARDS_SETTING.getKey(), indexMetadata.getRoutingNumShards())
+                .build();
+
             indexToSettingsBuilder.put(concreteIndex.getName(), indexSettings);
             if (request.includeDefaults()) {
                 Settings defaultSettings = settingsFilter.filter(indexScopedSettings.diff(indexSettings, Settings.EMPTY));